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Finding the Fourth Proportional to 202,202.62, 303,090.42 and 75,760.24

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Solution

The fourth proportional to 202,202.62, 303,090.42 and 75,760.24 is: 113,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.62 : 303,090.42 = 75,760.24 : x
  2. Step 2: Convert to fraction form
    202,202.62/303,090.42 = 75,760.24/x
  3. Step 3: Cross multiply
    202,202.62x = 303,090.42 × 75,760.24
  4. Step 4: Simplify right side
    202,202.62x = 22,962,202,960.90
  5. Step 5: Solve for x
    x = 22,962,202,960.90/202,202.62
  6. Step 6: Final answer
    x = 113,560.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.